#main {
  width: 100vw;
  height: 100vh;
  background-image: url("/image/home-desktop.jpg");
}

#ioi {
  top: 23%;
  left: 3%;
  font-size: 18vh;
  text-align: center;
  line-height: 20vh;
  position: absolute;
}

#contact {
  transform: rotate(0deg);
  top: 77%;
  left: 75%;
  font-size: 8vh;
  text-align: center; 
}

#upcoming {
  transform: rotate(0deg);
  top: 11%;
  right: 4%;
  font-size: 8vh;
  text-align: center;
}

#past {
  transform: rotate(0deg);
  top: 45%;
  left: 70%;
  font-size: 8vh;
  line-height: 10vh
}

#about {
  transform: rotate 0;
  top: 89%;
  left: 52%;
  font-size: 8vh;
  text-align: center;
}